New Twiddle

router.js

import Ember from 'ember';
import config from './config/environment';

const Router = Ember.Router.extend({
  location: 'none',
  rootURL: config.rootURL
});

Router.map(function() {
  this.route('login', {path: '/'});
  this.route('dashboard', {path: '/dashboard/:foo'});
});

export default Router;

routes.dashboard.js

import Ember from 'ember';

export default Ember.Route.extend({
  model() {
    throw new Error();
  }
});

routes.login.js

import Ember from 'ember';

export default Ember.Route.extend({
  actions: {
    login: function() {
      this.transitionTo('dashboard');
    }
  }
});

templates.application-error.hbs

ERROR

templates.application.hbs

<h1>Application</h1>
<hr />
{{outlet}}

templates.dashboard.hbs

<h2>Dashboard</h2>
{{#link-to 'login'}}logout{{/link-to}}

templates.login.hbs

<h2>Login</h2>
<input type="submit" value="login" {{action "login"}}/>

twiddle.json

{
  "version": "0.10.5",
  "EmberENV": {
    "FEATURES": {}
  },
  "options": {
    "use_pods": false,
    "enable-testing": false
  },
  "dependencies": {
    "jquery": "https://cdnjs.cloudflare.com/ajax/libs/jquery/1.11.3/jquery.js",
    "ember": "2.8.0",
    "ember-data": "2.8.0",
    "ember-template-compiler": "2.8.0",
    "ember-testing": "2.8.0"
  },
  "addons": {}
}